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Nearby Bridges in NBI 2021: 1


MD 17 over CATOCTIN CREEK (Route: 17)
Num:100000100018010x
Open: no restriction [A]
Built: 1934, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

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Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 44.5 m = 146.0 ft
Main Spans: 1 at 42.7 m = 140.1 ft
Approach Spans: 0
Skew: 21
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 9.6 m = 31.5 ft for a 13.1 m = 43.0 ft approaching roadway.
Vertical Clearance: 4.57 m = 15.0 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Frederick County [021], Maryland [24]
Owned by State Highway Agency [01], DOT District: 7
0.6 M S OF MAERK ROAD
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 63.5 metric ton = 69.9 tons (Load Factor(LF) [1])
Inventory: 37.6 metric ton = 41.4 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 5450 (2017) and Trucks: 2%
Future ADT: 7000 (In 2037 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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